How to Add an Armature to a Figure in Blender: 6 Steps
Amazon.com: Blender 2.8X Introductory-Level Instructional Handout on How to Model and Animate for an Armature: Low Poly Bicep Flex eBook : Samaniego MEd, Adriel: Kindle Store
Editing Bones — Blender Manual
Unable to see bones In Pose Mode? - Animation and Rigging - Blender Artists Community